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| P0442, P0455 dtc still on what do i need to do? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=16&t=36870 |
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| Author: | NIGHT GOBLIN [ Sat Oct 18, 2008 7:28 am ] |
| Post subject: | P0442, P0455 dtc still on what do i need to do? |
yea this sucks, have had these dtcs for about 6 month and the will not go away. i have checked the gas cap. |
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| Author: | jeepkj02 [ Sat Oct 18, 2008 10:15 am ] |
| Post subject: | |
Start checking vacuum hoses from the gas tank to the engine. |
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| Author: | tjkj2002 [ Sat Oct 18, 2008 9:52 pm ] |
| Post subject: | |
You need to check the evap hoses under the back of your KJ,from the evap canister(the black box looking container in front of the gas tank) to the leak detection pump.Then check the lines running from there to the evap solinoid mounted right next to the battery,look for lines that have a green cap on it.Lastly you may need to have a smoke test done. |
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